
Section of a Boeing 747, 1973.
1973
1973
1976-1979
1979
circa 1972
1970-1979
1839 (original); circa 1988 (replica)
1978
1974
1974
1970-1971
1971
1971
1975
1979
1976
1986
1979
1976
1975
1976
1976
1970
1971
1975
1974
1973
1974
1974
1971
1974-1975
1971
1975
1975
1975
1975
1974
1975
1971
1975
1974
1974
1975
1974
1972
1975
1972
1975
1975
1974
1971